N.J. Admin. Code § Tit. 8, ch. 60, app APPENDIX
For the purpose of analyzing Category I non-friable asbestos containing material and other non-friable organically bound material, the Department of Labor and Workforce Development and the Department of Health shall utilize the "Test Method -- Method for Determination of Asbestos in Bulk Building Materials," EPA/600/R-93/116, July 1993, in the following manner:
1. Samples shall be prepared using the gravimetric sample preparation procedures.
2. Samples shall be analyzed first by Polarized Light Microscopy (PLM).
3. In the event that the results of PLM analysis indicate that a sample contains less than or equal to 10 percent asbestos, the sample shall be point counted.
4. Only where PLM analysis indicates that a sample contains one percent or less than one percent asbestos (including findings that a sample contains no asbestos), shall the sample be analyzed by Transmission Electron Microscopy (TEM).
N.J. Admin. Code Tit. 8, ch. 60, app APPENDIX